Home / 217,312.85-299,879.46-126,683.57

Finding the Fourth Proportional to 217,312.85, 299,879.46 and 126,683.57

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Solution

The fourth proportional to 217,312.85, 299,879.46 and 126,683.57 is: 174,816.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,312.85 : 299,879.46 = 126,683.57 : x
  2. Step 2: Convert to fraction form
    217,312.85/299,879.46 = 126,683.57/x
  3. Step 3: Cross multiply
    217,312.85x = 299,879.46 × 126,683.57
  4. Step 4: Simplify right side
    217,312.85x = 37,989,801,312.17
  5. Step 5: Solve for x
    x = 37,989,801,312.17/217,312.85
  6. Step 6: Final answer
    x = 174,816.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.